1
vote
1answer
102 views

Exchange 2010 - Unauthenticated users can send/relay local mail via telnet. How to stop this?

I'm completely new to Exchange administration. I have Exchange 2010 installed and working for the most part. The domain in question is mydomain.com. I have checked to make sure the server is not an ...
0
votes
1answer
29 views

Exchange 2010 550 5.1.1 Recipient Rejected Error

About 3 weeks ago, we migrated our email solution from one hosted Exchange 2003 environment to another hosted Exchange 2010 environment. I currently have an outside user unable to send emails to our ...
0
votes
2answers
117 views

Exchange 2010 - External emails not being sent, probably an SMTP/DNS issue but need advice

I've installed and configured Exchange 2010 on Server 2012 functionally enough that I can send email between boxes on the local server. For what it's worth, I'm doing this as a test-run in a virtual ...
4
votes
2answers
146 views

How to remove the SMTP address for a secondary domain from all Exchange mailboxes?

I have an Exchange server which used to manage multiple SMTP domains; now it only has to manage one. I have already removed the secondary domain from all address policies; I need to remove all SMTP ...
0
votes
1answer
77 views

SMTP routing with EDGE servers for Exchange 2010

I am trying to set up some EDGE servers for Exchange 2010 (SP3 UR2) but they are being a real pain. I have the following servers in my environment: CASHT1 – CAS array member – FQDN is ...
1
vote
0answers
48 views

Custom Transport Agent: How do I collect NDRs and all other undeliverables in Exchange 2010 from the Postmaster?

I'm trying to collect all NDRs in a single mailbox for all invalid recipients, and anything that fails for any reason. I have a custom transport agent, that I've written myself that appears here: ...
0
votes
1answer
72 views

PTR record not valid for all domains

We have an issue sending emails to certain domains, namely Time Warner and Cox. Last week, we decommissioned our Exchange 2003 server and now our Exchange 2010 server is doing all of the transport for ...
2
votes
1answer
219 views

Exchange Server 2010 Relaying Spam

Recently I began receiving AOL spam feedback reports from our exchange server. As I investigated I found that hundreds of spam messages were being relayed through our exchange server. Although I am ...
1
vote
1answer
403 views

Enabling Basic Authentication on Exchange 2010 SP1

Firstly, I know nothing about how exchange operates and what is and isn't possible. We're trying to send mail from our webserver (AWS) through our own mail server(In house) but for this we need an ...
-1
votes
3answers
340 views

Send Connector on Port 465

I recently confront a problem that i think it will become a major situation on the near future. My ISP blocked the port 25 against spamming. Now I'm forced to fix this situation on another port, so I ...
2
votes
1answer
455 views

Exchange 2010 - can't send to a specific domain - 421 connection dropped due to socket error

I've looked at a few of the existing SF questions/answers and so far can't find the same situation. It's not a TLS issue like I first thought, since the remote server isn't asking for TLS, and it ...
1
vote
1answer
2k views

Exchange 2010: Issues increasing maximum email size (smtp;550 5.3.4 SMTPSEND.OverAdvertisedSize)

I have a recently-deployed 1 server windows domain running Windows 2008 R2 Standard SP1 and Exchange 2010 SP3, running on the 2003 R2 domain and forest level. The server receives email through a main ...
1
vote
0answers
249 views

What are the values of Exchange's XSHADOW and XQDISCARD commands?

Shadow redundancy is an Exchange-specific feature (beginning with Exchange 2010) that provides a measure of fault tolerance when relaying email messages with SMTP. The sending Exchange server sends ...
13
votes
3answers
866 views

Schedule/queue large e-mails in Exchange 2010, defer until latency drops

My challenge We have Exchange servers at various sites, but also aboard ships. The ships are connected to our network through satellite links when at sea, but switch to WiFi bridges when in port. ...
0
votes
1answer
71 views

Exchange 2010 - Send Connectors

I understand in Exchange 2010 in order to send out to the big bad Internet you require to configure a send connector to allow SMTP to *, or to your smart host etc. My question is how does Exchange ...
1
vote
0answers
645 views

530 5.7.1 Client was not authenticated Exchange 2010 for some computers within mask

We have a classic problem with Client not Authenticated but with a specific twist: We have an Exchange 2010 cluster, let's say EX01 and EX02, the connection is always to smtp.acme.com, then it is ...
1
vote
3answers
169 views

Send email from different domains to different external IP's on a single server

I have set up a windows 2008 R2 server to route email from Exchange 2010 using SMTP Server in IIS. I have 3 seperate domains and would like to route each one through a different internal and ...
1
vote
1answer
112 views

Mail to SMTP Server via Exchange

The title already says much; I want to send mails with an adress ( test@something.com ) Until we got our Exchange-Server, we were recieving via POP and sending via SMTP. The office (4 People) wants ...
0
votes
1answer
214 views

Best practice for Exchange 2010 for multiple SMTP servers

The problem we wish to resolve is failed Reverse SMTP banner lookups. Publicly we have one IP with a single host name and MX record: 123.123.123.123 mail.domain.com Internally we have 6 servers ...
1
vote
2answers
6k views

Reverse DNS does not match SMTP banner vs Reverse DNS mismatch

I have to make decision whether my Reverse DNS should match SMTP banner but Reverse DNS to DNS and vice versa stays different or vice versa. Which one to choose? I have an 2x Exchange 2010 server ...
0
votes
1answer
838 views

SMTP port open - but not open

As some of you might know, I am setting up an exchange server. Now I ran into another problem: I cannot connect to the SMTP service from outside the server! The ports are opened in the gateway ...
0
votes
0answers
487 views

Message to distribution list with removed recipient bouncing back when sent from external mail server

I removed a particular user from all distribution groups manually about five days ago. This user was a member of two particular groups that have other recipients. The OAB polling interval is 30 ...
2
votes
4answers
500 views

How can I route a SMTP message by FROM domain (not To, CC, or BCC)

I'm handling email for many different companies. Each company needs me to route all outbound email through a specific SMTP relay based on From address. What software configuration or technology ...
2
votes
3answers
208 views

How to use multiple external names for outbound HELO in the EdgeSync outbound Send Connector?

I have an Exchange 2010 environment where there are multiple Edge servers; the FQDN of each server ("serverX.domain.local") is different from the name used in the corresponding public MX record ...
3
votes
2answers
530 views

Can Exchange 2010 Re-Route Outbound Messages Based On X-Header?

I'd like to know if it's possible to configure Exchange 2010 to read x-headers from an outbound message (say, user@internaldomain.com to user@yahoo.com) and then re-direct the message to an alternate ...
0
votes
2answers
708 views

Letting internal applications use exchange's smtp

We've got a few internal applications (such as RAID, UPS, Firewall, etc) that want to send monitoring mails. We have a Exchange 2010 on the SBS 2011 server, Outlook and ActiveSync and such business ...
2
votes
2answers
1k views

Some senders from external domains receiving “User Unknown” Errors

As far as I can tell, this question doesn't already exist here but if it does then I apologize. As of January 1st our company name has changed and, as such, our e-mail addresses have changed. The ...
2
votes
2answers
2k views

Does Exchange 2010 impose a maximum length for individual headers? If so, what is it?

Does Exchange 2010 impose a maximum length for individual headers? If so, what is it? Let's say a user sends an email to 200 recipients, resulting in a TO: field having 200 email addresses (very bad ...
1
vote
1answer
1k views

Exchange Server is rejecting message after “MAIL FROM” with “500 5.3.3” with tarpit despite being a Trusted Receiver

I'm getting the message: "500 5.3.3 Unrecognized command" from Exchange server and seeing in the Exchange Server logs that it's tarpitting my smtp sender despite the fact that: I added a Receive ...
0
votes
2answers
335 views

Can't get past “HELO” command with my Exchange Server despite setting Receive Connector to trust it?

I set my Exchange server to trust my IP address as specified here: http://serverfault.com/a/207583/101328 (Allows my ip, no authentication, set to "Externally Secure") However, it still does not ...
1
vote
1answer
318 views

What logs exist on an Exchange Hub Server that should be moved off the C:\ drive?

I'm trying to move any logs, queues, etc off the default C:\ drive, but am having trouble locating all the various settings. This gets tougher when you consider diagnostic logging, and everything ...
0
votes
1answer
859 views

why is exchange failing outbound smtp test?

I am using https://www.testexchangeconnectivity.com to test outbound smtp connectivity. I am getting this message at the last stage: Attempting to find the SPF record using a DNS TEXT record query. ...
3
votes
1answer
2k views

Preventing email blasts with Exchange 2010 IP Throttling (or any other technology)

We need to slow down the rate email spam is sent through the Exchange system from our developers' buggy applications. How can I throttle email messages in Exchange 2010 by Source IP, or sender, so ...
1
vote
0answers
359 views

Exchange 2007 and 2010 Journal Messages Stuck In Queue

I have a simple setup of 2 e-mail servers. My Exchange 2010 server, MS2010, is setup to forward all e-mails that it receives to the journaling mailbox. The journal mailbox is located on my Exchange ...
2
votes
1answer
124 views

Is is a good idea to put SMTP Shadow replication on the same VLAN as DAG replication?

We have a VLAN for DAG replication, Recoverpoint (SQL Data), and right now SMTP Shadow replication is going over with the production traffic. Should shadow replication be limited to the site? Should ...
0
votes
2answers
468 views

Block certain images from incoming emails

My company just added 5 of the social networking images to its email signature. Now we have tons of copies of these identical images stored in the software that takes emails and turns them into ...
0
votes
1answer
241 views

Exchange 2010 default SMTP, lossing mail in transit

We have a server 2008 R2 with exchange 2010 sp1. We have recently encountered a very wierd issue. When sending emails to a specific email userA@domain.com, the email is not received by the ...
0
votes
4answers
2k views

Storing emails elsewhere when Exchange server goes down

I will be setting up an Exchange email server at work soon but one thing I would like to know is what would happen if the mail server is down. Where would incoming messages go? I understand that ...
0
votes
1answer
264 views

How to : Exchange 2010 Mailbox use an Internet SMTP provider?

I want to know if Exchange Server 2010 could use our existing mailbox (internet smtps server hosted in third party domain) and How to configure this option in our Exchange from clean install? Thank ...
1
vote
4answers
387 views

IIS or Exchange Appropriate for High Volume, High Performance SMTP Mail Delivery?

A municipal client needs to put in place a email delivery system which is capable of quickly alerting their users via email. We estimate about 10 alerts a day. Each alert will be sent to 1000 ...
0
votes
2answers
1k views

No Send As permission after migrating mailbox from Exchange 2007 to Exchange 2010

I'm in the middle of migrating to Exchange 2010 after finally getting everything in the event log cleared up I migrated one users mailbox, and of course, there is an issue. Any time the user sends ...
3
votes
2answers
281 views

Exchange 2010 Setup

I am testing MS exchange 2010 SP1 for our firm. It's new exchnage installation as we don't have any previous versions. I installed Exchange 2010 with SP1 on Windows server 2008 SP2 (64-bit) with ...
1
vote
1answer
4k views

Exchange 2010 periodically stops responding to SMTP events with error 421 4.4.1 Connection timed out

After some help diagnosing why Exchange 2010 Enterprise stops responding to SMTP events. I can't find a pattern to it. It doesn't appear to be an actual timeout, as the server responds immediately ...
0
votes
1answer
103 views

Do two portforward rules translate to “and”?

I just set up an Exchange server to replace my DeskNow mail server. I want to start testing my internet mail exchange of my Exchange server. I can only set the MX records on my DNS up to my one ...
0
votes
3answers
644 views

Forcing all Exchange-to-Exchange (2010) e-mail to go via an outside SMTP gateway

We want to force all our e-mail to go via an SMTP server for virus scanning, spam scanning and some tags that we use internally. Is this possible? We configured Exchange's smarthost property and that ...
0
votes
2answers
427 views

Development Environment SMTP Server - Rewrite email recipient address

I am looking for a way to setup an SMTP server in our development environment that will run on the local dev server and rewrite the recipient email address to our debug address, without effecting the ...
0
votes
1answer
1k views

Interpreting Exchange message tracking log events for unreceived emails

I'm working on a new Exchange 2010 server that may be having issues sending emails out to a particular ISP. I have verified it is not on any blacklists, no bounce messages are ever received, and the ...
0
votes
1answer
297 views

Send E-mail to SharePoint? Exchange is installed on same server

If this is even possible, what I need to do... My organization has a single sharepoint installation. On this same box, Exchange 2k10 is installed and running with all of the roles for that instance ...
1
vote
1answer
3k views

Trying to use a SmartHost with my Exchange 2010 server

I'm trying to use a SmartHost with my Exchange 2010 Server. SmartHost details: Secure SMTPS: securemail.internode.on.net 465 <-- Note: that's port 465 Configure your existing SMTP settings (in ...
-1
votes
2answers
2k views

Exchange2010 has Private Machine Name and IP in outbound SMTP - How to remove?

We have a domain (domain.local) that has IP Addresses in the 10.10.10.* range. In the outbound SMTP server traffic, I see the internal machine name (exchange.domain.local), and the internal ip ...